A cooling device and method for chalcogenide glass

Abstract

The application relates to the chalcogenide glass forming technical field, and provides a chalcogenide glass cooling device and a method thereof, which comprises a water tank, a clamping mechanism and a lifting mechanism; the clamping mechanism is used for fixing ampoules; the lifting mechanism is used for driving the vertical movement of the ampoules; further comprising a water circulation mechanism; the water circulation mechanism is used for circulating cooling water in the water tank; the ampoule is a vacuum-processed closed container and is provided with liquid glass. The device is designed for quickly and uniformly cooling liquid sulfuration glass, can automatically feed, can not only prevent personnel injury caused by accidental breakage of the ampoule during the cooling process, but also prevent the ampoule from shaking or even toppling over during the cooling process; in addition, the cooling adopts a water bath cooling mode, cooling water is continuously circulated during the process, so that the liquid sulfuration glass can be quickly and uniformly cooled, and a sulfuration glass rod with a smooth surface can be obtained.

Description

Technical Field

[0001] This invention relates to the field of chalcogenide glass forming technology, specifically to a chalcogenide glass cooling device and method. Background Technology

[0002] Chalcogenide glasses are amorphous materials formed based on chalcogen elements (including sulfur, selenium, and tellurium). They have excellent infrared transmittance, low thermo-optic coefficient, good thermal stability, and chemical stability, and are considered ideal infrared lens materials. Currently, chalcogenide glass lenses have been widely used in infrared thermal imaging systems, playing an important role in infrared temperature measurement, security monitoring, and other fields.

[0003] Currently, chalcogenide glasses are generally prepared by melting and quenching. The vacuum melting process can reduce bubbles and inhomogeneity, and rapid quenching is required to produce glass.

[0004] Therefore, rapid cooling is a crucial issue in the preparation of chalcogenide glasses. Summary of the Invention

[0005] To address the aforementioned technical problems, this invention provides a chalcogenide glass cooling device. This device is designed for rapid and uniform cooling of liquid chalcogenide glass. It features automatic feeding, which not only prevents accidental breakage of ampoules during cooling but also prevents ampoules from shaking or even tipping over during the cooling process. Furthermore, this application employs a water bath cooling method, with continuous circulation of cooling water to achieve rapid and uniform cooling, resulting in a smooth-surfaced chalcogenide glass rod.

[0006] The technical solution of this invention is:

[0007] A chalcogenide glass cooling device includes a water tank, a clamping mechanism, and a lifting mechanism; the clamping mechanism is used to fix an ampoule; the lifting mechanism is used to drive the ampoule to move vertically; it also includes a water circulation mechanism; the water circulation mechanism is used to circulate cooling water in the water tank; the ampoule is a vacuum-treated sealed container and contains liquid glass.

[0008] In practical applications, the clamping mechanism can stabilize the ampoules containing liquid glass, preventing them from shaking or even tipping over during cooling, thus significantly improving the quality of the cooled sulfide glass rods; the lifting mechanism enables automatic loading and unloading, significantly improving production safety and efficiency; and the water circulation mechanism ensures the reliability of cooling, ensuring that the cooling water temperature is as close as possible throughout the water tank, thereby achieving rapid and uniform cooling.

[0009] In the above-mentioned chalcogenide glass cooling device, the water tank is provided with a guide plate that divides the water tank into an upper chamber and a lower chamber; the clamping mechanism is located in the upper chamber; a circulation port is provided on one side of the upper chamber, and a return port communicating with the lower chamber is provided on the other side of the upper chamber; the water circulation mechanism draws cooling water from the lower chamber and inputs the cooling water into the upper chamber through the circulation port.

[0010] In the above-mentioned chalcogenide glass cooling device, the guide plate has a downwardly sloping notch on the side away from the circulating water inlet, and the notch serves as the return outlet.

[0011] In the above-mentioned chalcogenide glass cooling device, the clamping mechanism includes a mounting frame disposed on the lifting mechanism and a positioning module disposed on the mounting frame; the mounting frame is provided with at least one mounting position for placing ampoules; the positioning module includes a positioning post disposed on the mounting frame and a pressure block slidably connected to the positioning post; the pressure block is provided with a positioning hole that matches the shape and size of the ampoule mouth and is used to fix the ampoule in the mounting position.

[0012] In the above-mentioned chalcogenide glass cooling device, the mounting position consists of a pair of limiting blocks arranged on both sides of the mounting frame and a locking block detachably connected to the limiting blocks; the locking block is provided with a through hole that matches the shape and size of the ampoule and is used to place the ampoule.

[0013] In the above-mentioned chalcogenide glass cooling device, the guide plate includes a fixed block disposed in a water tank and a movable block hinged to the fixed block; the notch is disposed in the movable block; and the movable block is provided with a handle.

[0014] In the above-mentioned chalcogenide glass cooling device, the lifting mechanism includes a first linear guide rail and its first slider, a second linear guide rail and its second slider, a third linear guide rail and its third slider, and a first power module disposed on the water tank; the clamping mechanism is connected to the first slider, the second slider and the third slider respectively; the first power module is used to drive the first slider, the second slider and the third slider to move vertically synchronously.

[0015] In the above-mentioned chalcogenide glass cooling device, the bottom of the water tank is provided with an outlet for replacing the cooling water; the bottom of the water tank is also provided with casters for easy movement; the top of the water tank is provided with a cover plate; the cover plate is slidably connected to the water tank.

[0016] The aforementioned chalcogenide glass cooling device further includes a temperature regulating mechanism; the temperature regulating mechanism includes a heater for heating the cooling water and a thermocouple for detecting the temperature of the cooling water. Preferably, the temperature range of the cooling water is 35–40°C, including but not limited to 35°C, 36°C, 37°C, 38°C, 39°C, and 40°C.

[0017] Furthermore, this application also provides a method for cooling chalcogenide glass, based on the above-mentioned chalcogenide glass cooling apparatus, comprising the following steps:

[0018] Step 1: Place the ampoule containing liquid chalcogenide glass into the chalcogenide glass cooling device and secure it with the clamping mechanism;

[0019] Step 2: The lifting mechanism drives the clamping mechanism to descend vertically, immersing the lower part of the ampoule in cooling water. The temperature range of the cooling water is 35-40℃, including but not limited to 35℃, 36℃, 37℃, 38℃, 39℃, and 40℃.

[0020] Step 3: The water circulation mechanism continuously circulates the cooling water in the water tank to ensure that the ampoule is cooled evenly, thus obtaining solid chalcogenide glass rod material;

[0021] Step 4: The lifting mechanism drives the clamping mechanism to rise vertically and remove the ampoule;

[0022] The ampoule is cylindrical and has a cylindrical mouth at the top.

[0023] The cooling method described above has the advantages of preventing the ampoule 100 from cracking due to excessive and drastic cooling and improving the quality of the finished product. The resulting chalcogenide glass rod has a smoother surface without streaks.

[0024] One of the above-described technical solutions of the present invention has at least one of the following advantages or beneficial effects:

[0025] The clamping mechanism in this invention can stabilize the ampoule containing liquid glass, preventing it from shaking or even tipping over during cooling, thus significantly improving the quality of the cooled sulfide glass rod. The lifting mechanism enables automatic loading and unloading, significantly improving production safety and efficiency. The water circulation mechanism ensures the reliability of cooling, ensuring that the cooling water temperature is as close as possible throughout the water tank, thereby achieving rapid and uniform cooling.

[0026] The cooling method of this invention has the advantages of preventing the ampoule 100 from cracking due to excessive and drastic cooling and improving the quality of the finished product. The resulting chalcogenide glass rod has a smoother surface without streaks. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the internal structure of Embodiment 1 of the present invention.

[0028] Figure 2 This is a schematic diagram of the circulating water circuit in Embodiment 1 of the present invention;

[0029] Figure 3 This is a perspective view of a portion of the structure of Embodiment 1 of the present invention;

[0030] Figure 4 This is a schematic diagram illustrating the combination of ampoules of different sizes and card blocks according to Embodiment 1 of the present invention;

[0031] Figure 5 This is a schematic diagram of the internal structure of Embodiment 2 of the present invention;

[0032] Figure 6 This is an external view of the chalcogenide glass rod prepared in Comparative Example 1 of the present invention;

[0033] Figure 7 This is an appearance diagram of the chalcogenide glass rod prepared in Comparative Example 2 of the present invention.

[0034] The correspondence between the labels in the diagram is as follows:

[0035] Water tank 1; guide plate 11; fixed block 111; movable block 112; handle 113; water outlet 12; caster 13; cover plate 14; upper cavity 1a; lower cavity 1b; circulating water inlet 101; return outlet 102; ampoule 100; clamping mechanism 2; mounting bracket 21; mounting position 210; limit block 211; locking block 212; positioning module 22; positioning column 221; pressure block 222; positioning hole 2221; lifting mechanism 3; first linear guide rail and its first slider 31; second linear guide rail and its second slider 32; third linear guide rail and its third slider 33; first power module 34; water circulation mechanism 4; temperature adjustment mechanism 5; heater 51; thermocouple 52. Detailed Implementation

[0036] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0037] Example 1

[0038] refer to Figures 1-4 A chalcogenide glass cooling device includes a water tank 1, a clamping mechanism 2, and a lifting mechanism 3; the clamping mechanism 2 is used to fix an ampoule 100; the lifting mechanism 3 is used to drive the ampoule 100 to move vertically; it also includes a water circulation mechanism 4; the water circulation mechanism 4 is used to circulate the cooling water in the water tank 1; the ampoule 100 is a vacuum-treated sealed container and contains liquid glass.

[0039] In practical applications, the clamping mechanism 2 can stabilize the ampoule 100 containing liquid glass, preventing the ampoule 100 from shaking or even tipping over during the cooling process, which significantly improves the quality of the cooled sulfide glass rod; the lifting mechanism 3 realizes automatic loading and unloading, which significantly improves production safety and efficiency; the water circulation mechanism 4 ensures the reliability of cooling, ensuring that the cooling water temperature in all parts of the water tank 1 is as close as possible, thereby achieving the purpose of rapid and uniform cooling.

[0040] In this embodiment, the water tank 1 is provided with a guide plate 11 that divides the water tank 1 into an upper chamber 1a and a lower chamber 1b; the clamping mechanism 2 is disposed in the upper chamber 1a; a circulation inlet 101 is provided on one side of the upper chamber 1a, and a return outlet 102 communicating with the lower chamber 1b is provided on the other side of the upper chamber 1a; the water circulation mechanism 4 draws cooling water from the lower chamber 1b and inputs the cooling water into the upper chamber 1a through the circulation inlet 101. More specifically, the water circulation mechanism 4 is a water pump and is connected to the circulation inlet 101 through a pipe.

[0041] Under the above design, cooling water enters the upper chamber 1a of the water tank 1 through the circulation port 101, then enters the lower chamber 1b of the water tank 1 through the return port 102, and the water circulation mechanism 4 draws the cooling water from the return port 102 side of the lower chamber 1b into the upper chamber 1a. The circulation path is as follows: Figure 2 Compared to a design where water tank 1 is not divided, the design of this application helps to make the cooling water temperature in water tank 1 more uniform, which has a significant impact on the cooling rate. Preferably, the circulation inlet 101 is located at the bottom of the upper chamber 1a. This preference facilitates the pressure of the heated cooling water in the upper chamber 1a into the lower chamber 1b for circulation.

[0042] Specifically, the guide plate 11 has a downwardly sloping notch on the side away from the circulating water inlet 101, which serves as the return port 102. Of course, this embodiment is not limited to the configuration of the return port 102, and those skilled in the art can use through holes or pipes as alternatives.

[0043] In this embodiment, the clamping mechanism 2 includes a mounting frame 21 mounted on the lifting mechanism 3 and a positioning module 22 mounted on the mounting frame 21. The mounting frame 21 has two mounting positions 210 for placing ampoules 100. The positioning module 22 includes a positioning post 221 mounted on the mounting frame 21 and a pressure block 222 slidably connected to the positioning post 221. The pressure block 222 has a positioning hole 2221 that matches the shape and size of the ampoule 100's mouth and is used to fix the ampoule 100 on the mounting position 210. Preferably, the bottom of the mounting position 210 of the mounting frame 21 is hollowed out.

[0044] In practical applications, the staff places the ampoule 100 into the mounting position 210, then aligns the positioning hole 2221 of the pressure block 222 with the mouth of the ampoule 100, and drives the pressure block 222 to descend along the positioning post 221, thereby fixing the ampoule 100 and preventing the ampoule 100 from shaking during the cooling process, which could cause the glass rod to malfunction.

[0045] In a preferred embodiment, the mounting position 210 comprises a pair of limiting blocks 211 disposed on both sides of the mounting bracket 21 and a locking block 212 detachably connected to the limiting blocks 211; the locking block 212 is provided with a through hole matching the shape and size of the ampoule 100 and is used to place the ampoule 100. Under the above-described preferred embodiment, this embodiment can also be applied to ampoules 100 of various sizes, thereby preparing ampoules 100 of different sizes.

[0046] To facilitate cleaning of the bottom of the water tank 1 by staff, the guide plate 11 includes a fixed block 111 disposed inside the water tank 1 and a movable block 112 hinged to the fixed block 111; the notch is disposed in the movable block 112; the movable block 112 is provided with a handle 113. Of course, this embodiment only provides a preferred solution, and in other embodiments the guide plate 11 can also be a non-movable steel plate.

[0047] In this embodiment, specifically, the lifting mechanism 3 includes a first linear guide rail and its first slider 31, a second linear guide rail and its second slider 32, a third linear guide rail and its third slider 33, and a first power module 34 disposed on the water tank 1; the clamping mechanism 2 is connected to the first slider, the second slider and the third slider respectively; the first power module 34 is used to drive the first slider, the second slider and the third slider to move vertically synchronously.

[0048] More specifically, the first linear guide rail is arranged outside the water tank 1 and located in the middle. The first power module 34 directly drives the first slider to rise and fall vertically. Preferably, in this embodiment, the first power module 34 is a motor screw sliding pair. The second and third linear guide rails are located inside the water tank 1 and are respectively arranged on both sides of the first linear guide rail. The rear, left, and right sides of the mounting bracket 21 of the clamping mechanism 2 are respectively fixed on the first slider, the second slider, and the third slider.

[0049] The lifting mechanism 3 is designed to enable the clamping mechanism 2 to move up and down more stably, thereby reducing the shaking of the ampoule 100 caused by mechanical movements.

[0050] In this embodiment, the bottom of the water tank 1 is provided with an outlet 12 for replacing the cooling water. When the temperature of the cooling water rises to a temperature that does not meet the cooling requirements, the cooling water in the water tank 1 can be completely discharged simply by opening the outlet 12. In other embodiments, the water tank 1 may also be provided with an inlet for replenishing the cooling water. In addition, in order to facilitate the movement of this device, the bottom of the water tank 1 is also provided with casters 13 for easy movement.

[0051] In this embodiment, the top of the water tank 1 is provided with a cover plate 14. Preferably, the cover plate 14 is provided with transparent glass as an observation window; the cover plate 14 is slidably connected to the water tank 1. In addition, the cover plate 14 remains closed during the cooling process, and when the staff needs to replace the ampoule 100, they only need to drive the cover plate 14 to move to expose the mounting position 210 for replacement.

[0052] Example 2

[0053] refer to Figure 5 This embodiment is basically the same as Embodiment 1, except that it further includes a temperature regulating mechanism 5. The temperature regulating mechanism 5 includes a heater 51 for heating the cooling water and a thermocouple 52 for detecting the cooling water temperature. In actual use, both the heater 51 and the thermocouple 52 are installed in the water tank 1. The heater 51 is controlled and heated via an external electrical control box. Its function is to regulate the initial temperature of the cooling water in the water tank 1 to between 35 and 40°C.

[0054] Example 3

[0055] Furthermore, this application also provides a method for cooling chalcogenide glass, based on the chalcogenide glass cooling device described in Example 2. In this example, the chalcogenide glass is As2Se3 chalcogenide glass. First, As powder and Se powder are mixed in a certain ratio and then put into a high-temperature resistant ampoule 100. The ampoule 100 is then evacuated to a vacuum level of 1*10. -3 After the temperature drops below 100 Pa, seal the ampoule 100. Then, place the ampoule 100 in a shaking furnace and heat it to 900°C at a heating rate of 5°C / min. This causes the chalcogenide glass crystals inside the ampoule 100 to become molten (i.e., liquid). Shake the ampoule 100 for 10 hours to ensure that the chalcogenide glass inside is thoroughly agitated and homogeneous. Once the chalcogenide glass inside the ampoule 100 is completely homogeneous, remove the ampoule 100 from the shaking furnace and begin cooling. The cooling process includes the following steps:

[0056] Step 1: Place the ampoule 100 containing liquid chalcogenide glass into the chalcogenide glass cooling device and fix it by the clamping mechanism 2; specifically, place the ampoule 100 into the through hole of the clamping block 212, then align the positioning hole 2221 of the pressure block 222 with the mouth of the ampoule 100 and drive the pressure block 222 to descend along the positioning post 221, thereby fixing the ampoule 100 and closing the cover plate 14.

[0057] Step 2: The lifting mechanism 3 drives the clamping mechanism 2 to descend vertically, immersing the lower part of the ampoule 100 in cooling water for 5 minutes. It should be noted that since only about one-third of the volume of the ampoule 100 is filled with chalcogenide glass, the lifting distance and immersion depth should be adjusted accordingly in actual applications.

[0058] Step 3: The water circulation mechanism 4 continuously circulates the cooling water in the water tank 1; specifically, the cooling water enters the upper chamber 1a of the water tank 1 through the circulation port 101, and then enters the lower chamber 1b of the water tank 1 through the return port 102. The water circulation mechanism 4 then draws the cooling water on the side of the return port 102 of the lower chamber 1b into the upper chamber 1a.

[0059] Step 4: The lifting mechanism 3 drives the clamping mechanism 2 to rise vertically and remove the ampoule 100;

[0060] The ampoule 100 is cylindrical and has a cylindrical mouth at the top.

[0061] Before step 3, the temperature of the cooling water needs to be adjusted using the temperature regulating mechanism 4. In this embodiment, the temperature of the cooling water is 35°C.

[0062] The cooling method described above has the advantages of preventing the ampoule 100 from cracking due to excessive and drastic cooling and improving the quality of the finished product. The resulting chalcogenide glass rod has a smoother surface without streaks.

[0063] Example 4

[0064] It is basically the same as Example 3, except that the temperature of the cooling water is 40°C.

[0065] Comparative Example 1

[0066] refer to Figure 6 Using the same chalcogenide glass as in Example 3, As powder and Se powder were first mixed in a certain ratio and then placed into a high-temperature resistant ampoule 100. The ampoule 100 was then evacuated to a vacuum level of 1*10. -3 After the temperature drops below Pa, the ampoule 100 is sealed. Then, the ampoule 100 is placed in a shaking furnace and heated to 900°C at a heating rate of 5°C / min, so that the chalcogenide glass crystals inside the ampoule 100 become molten (i.e., liquid). The ampoule is then shaken for 10 hours until the chalcogenide glass inside the ampoule 100 is completely homogeneous. The ampoule 100 is then removed from the shaking furnace and fixed in a cooling box. Natural air is then introduced at a wind pressure of 30 kPa and a wind speed of 100 m / s to cool the ampoule 100 until the surface temperature of the ampoule 100 drops to 100°C.

[0067] Comparative Example 2

[0068] refer to Figure 7Using the same chalcogenide glass as in Example 3, As powder and Se powder were first mixed in a certain ratio and then placed into a high-temperature resistant ampoule 100. The ampoule 100 was then evacuated to a vacuum level of 1*10. -3 After the temperature drops below 100 Pa, seal the ampoule 100. Then, place the ampoule 100 in a shaking furnace and heat it to 900°C at a heating rate of 5°C / min. This will cause the chalcogenide glass crystals inside the ampoule 100 to become molten (i.e., liquid). Shake the ampoule 100 for 10 hours to ensure that the chalcogenide glass inside the ampoule 100 is thoroughly shaken and homogenized. Once the chalcogenide glass inside the ampoule 100 is completely homogenized, remove the ampoule 100 from the shaking furnace and then directly immerse it in cooling water at 35°C for 5 minutes.

[0069] test:

[0070] Ten sets of chalcogenide glass rods were produced using the methods described in Example 3, Example 4, Comparative Example 1, and Comparative Example 2, respectively.

[0071] Results and analysis:

[0072] In Examples 3 and 4, all ten production groups yielded chalcogenide glass rods with uniform texture and smooth surface, which met the requirements for subsequent machining after annealing and exhibited high cooling efficiency. Comparing Examples 3 and 4, there was no significant difference except for cooling efficiency. In Example 3, the surface temperature of the ampoule could be reduced to about 100°C after 5 minutes of cooling, while in Example 4, it took about 7 minutes for the surface temperature of the ampoule to be reduced to about 100°C.

[0073] Of the ten production groups in Comparative Example 1, six yielded chalcogenide glass rods with uniform texture and smooth surfaces. The remaining four groups exhibited varying degrees of surface defects. The presumed reason is that, because the air-cooling rate in Comparative Example 1 was slightly slower than the water-cooling rate in Example 2, the surface temperature decreased and the volume contracted during cooling, while the core layer maintained a higher temperature and its volume had not yet had time to change. This stress on the glass surface led to surface cracks. (Refer to...) Figure 6 .

[0074] In Comparative Example 2, none of the ten production groups yielded chalcogenide glass rods with uniform texture and smooth surface. The presumed reason is that the ampoules were not effectively secured during cooling, resulting in significant sloshing of the liquid glass within the ampoules and the appearance of streaks on the surface after cooling and solidification. (Reference) Figure 7 .

[0075] Although embodiments of the invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A chalcogenide glass cooling device comprising a water tank, a clamping mechanism and a lifting mechanism, characterized in that, The clamping mechanism is used for fixing the ampoule; the lifting mechanism is used for driving the vertical movement of the ampoule; further comprising a water circulation mechanism; the water circulation mechanism is used for circulating the cooling water in the water tank; the ampoule is a vacuum-processed closed container and is provided with liquid glass; The clamping mechanism comprises a mounting frame arranged on the lifting mechanism, and a positioning module arranged on the mounting frame; the mounting frame is provided with at least one mounting position for placing the ampoule; the positioning module comprises a positioning column arranged on the mounting frame and a pressing block slidingly connected to the positioning column; the pressing block is provided with a positioning hole matched with the shape and size of the bottle mouth of the ampoule and is used for fixing the ampoule on the mounting position; The mounting position is composed of a pair of limiting blocks arranged on both sides of the mounting frame and a clamping block detachably connected to the limiting blocks; the clamping block is provided with a through hole matched with the shape and size of the ampoule and is used for placing the ampoule; The lifting mechanism comprises a first linear guide rail and a first sliding block thereof, a second linear guide rail and a second sliding block thereof, a third linear guide rail and a third sliding block thereof, and a first power module; the clamping mechanism is connected with the first sliding block, the second sliding block and the third sliding block respectively; the first power module is used for driving the first sliding block, the second sliding block and the third sliding block to move vertically synchronously.

2. The chalcogenide glass cooling device according to claim 1, wherein, The water tank is provided with a flow guide plate for separating the water tank into an upper cavity and a lower cavity; the clamping mechanism is arranged in the upper cavity; one side of the upper cavity is provided with a circulating water inlet, and the other side of the upper cavity is provided with a backflow port communicated with the lower cavity; the water circulation mechanism extracts the cooling water from the lower cavity and inputs the cooling water into the upper cavity through the circulating water inlet.

3. The chalcogenide glass cooling device according to claim 2, wherein, The side of the flow guide plate away from the circulating water inlet is provided with an inclined downward notch, and the notch serves as the backflow port.

4. The chalcogenide glass cooling device according to claim 3, wherein The flow guide plate comprises a fixed block arranged in the water tank and a movable block hinged to the fixed block; the notch is arranged in the movable block; the movable block is provided with a handle.

5. The chalcogenide glass cooling device according to claim 1, wherein The bottom of the water tank is provided with a water outlet for replacing the cooling water; the bottom of the water tank is further provided with a castor for facilitating movement; the top of the water tank is provided with a cover plate; the cover plate is slidingly connected to the water tank.

6. The chalcogenide glass cooling apparatus according to claim 1, wherein Further comprising a temperature adjusting mechanism; the temperature adjusting mechanism comprises a heater for heating the cooling water and a thermocouple for detecting the temperature of the cooling water.

7. A chalcogenide glass cooling method based on the chalcogenide glass cooling apparatus according to any one of claims 1 to 6, characterized in that, The method comprises the following steps: Step 1: placing the ampoule containing liquid chalcogenide glass into the chalcogenide glass cooling device and fixing it through the clamping mechanism; Step 2: driving the clamping mechanism to vertically descend by the lifting mechanism, immersing the lower part of the ampoule in the cooling water, and the temperature of the cooling water ranges from 35 to 40℃; Step 3: continuously circulating the cooling water in the water tank by the water circulation mechanism to uniformly cool the ampoule and obtain the solid chalcogenide glass rod material; Step 4: driving the clamping mechanism to vertically ascend by the lifting mechanism and taking out the ampoule; The ampoule is columnar and is provided with a columnar bottle mouth at the upper end.

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